Sentences with phrase «more ancient breeds of dog»
The Xoloitzcuintli is actually one of the more ancient breeds of dog.
http://www.animalbehaviorcollege.com/ Not exact matches
Finally, in the more recent evolution of dog breeds, limited interbreeding has imposed a remarkable genetic structure such that nearly all breeds represent distinct genetic pools that can be divided into at least four distinct genetic groupings; Asian / Ancient, Herding, Hunting, and Mastiff.
It is a working breed that originates from the Yakutia region of the Russian Siberia and can be used for... [Read more...] about Yakutian Laika — A New Ancient Dog breed that originates from the Yakutia region of the Russian Siberia and can be used for... [Read more...] about Yakutian Laika — A New Ancient Dog BreedBreed
A study by UC Davis showed that there was a prevalence of genetic disorders in both populations (rescue and bred): «Recently derived breeds or those from similar lineages appeared to be more susceptible to certain disorders that affect all closely related purebred dogs, whereas disorders with equal prevalence in the two populations suggested that those disorders represented more ancient mutations that are widely spread through the dog population.»
In dogs, the term breed is used two ways: loosely, to refer to dog types or landraces of dog (also called natural breeds or ancient breeds); or more precisely, to refer to modern breeds of dog, which are documented so as to be known to be descended from specific ancestors, that closely resemble others of their breed in appearance, movement, way of working and other characters; and that reproduce with offspring closely resembling each other and their parents.